{
  "address": "3521 18th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/18th-street/3521/",
  "apn": "3588001A",
  "block": "3588",
  "lot": "001A",
  "eas_baseid": "361075",
  "coordinates": {
    "lat": 37.761488,
    "lng": -122.422058
  },
  "parcel": {
    "year_built": 1923,
    "units": 10,
    "stories": 2,
    "rooms": 24,
    "bathrooms": 10,
    "lot_area_sqft": 3850,
    "building_area_sqft": 5924,
    "lot_depth_ft": 70,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3521 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 287100,
    "assessed_improvement_value": 574229,
    "last_sale_date": "1988-02-18"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1923",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202312122348",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-12-12",
      "status_date": "2025-12-02",
      "estimated_cost": 25880,
      "revised_cost": 25880,
      "description": "modification of existsinig fire alarm system to comply with sf sleeping area requirementss",
      "source": "sf-building-permits"
    },
    {
      "number": "201502117992",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-02-11",
      "status_date": "2016-05-19",
      "estimated_cost": 30000,
      "revised_cost": 70200,
      "description": "soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4. n/a maher ordinance",
      "source": "sf-building-permits"
    },
    {
      "number": "200612280684",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-12-28",
      "status_date": "2007-01-10",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "original four windows shall remain in place at front entry of bldng., per nov. #200679991. re-install original windows. to comply with nov. 3200679991",
      "source": "sf-building-permits"
    },
    {
      "number": "200609071634",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-09-07",
      "status_date": "2006-09-26",
      "estimated_cost": 3800,
      "revised_cost": 3800,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200305194953",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-05-19",
      "status_date": "2003-06-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew appl#200209045520 for final inspection & abate nov 200232173,200225766,199921687",
      "source": "sf-building-permits"
    },
    {
      "number": "200209307779",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-09-30",
      "status_date": "2002-11-13",
      "estimated_cost": 300,
      "revised_cost": 300,
      "description": "new handrail at the roof",
      "source": "sf-building-permits"
    },
    {
      "number": "200209045520",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2002-09-04",
      "status_date": "2003-06-24",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "remove all plumbing fixtures & appliances from the 2 dwelling units, revert the space to storage ,",
      "source": "sf-building-permits"
    },
    {
      "number": "200111263774",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-11-26",
      "status_date": "2002-03-26",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew expired appl#200011206136 for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "200012127745",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-12-12",
      "status_date": "2001-04-12",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "correct nov hid 199921633 on 9917320 & 2000/11/20/6136.",
      "source": "sf-building-permits"
    },
    {
      "number": "200011206136",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-11-19",
      "status_date": "2001-03-19",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "renewal of 9917320. value of remaining work is $500.",
      "source": "sf-building-permits"
    },
    {
      "number": "9917320",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-08-19",
      "status_date": "1999-12-19",
      "estimated_cost": 500,
      "description": "upstairs to correct n o u complaint 199921633",
      "source": "sf-building-permits"
    }
  ],
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=18TH&street_type=ST&address_number=3521",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=3588001A&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3588&lot=001A",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3588001A",
      "retrieved": "2026-07-31"
    }
  ]
}